/* 常用基础CSS样式文件 */


/* 浮动相关 */

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix::after {
    content: '';
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
}

* {
    box-sizing: border-box;
}

a:hover {
    text-decoration: none;
}


/*
  和间隔相关  
*/

.p20 {
    padding: 20px;
}

.m20 {
    margin: 20px;
}

.m0a {
    margin: 0 auto;
}

.bs000 {
    box-shadow: 0 0 10px #000;
}


/* 版心儿 */

.heart {
    width: 1200px;
    margin: 0 auto;
}


/* 给网站设置柔和背景#ccc */

html,
body {
    height: 100%;
    /* background-color: #ccc;    */
}


/* 通用头部部分 */


/* 首页 */

.bigdata-header {
    /* 调整宽高 */
    width: 1280px;
    height: 66px;
    line-height: 66px;
    color: #000;
    z-index: 9999;
    border-bottom: 1px solid #aaa;
    position: relative;
}

.logo {
    position: absolute;
    top: 18px;
    left: 10px;
    width: 230px;
    height: 30px;
    background: url('../images/new-logo-white2.png');
}

.nav {
    position: absolute;
    left: 640px;
    height: 66px;
    transform: translate(-50%, 0);
}

.nav-item {
    margin: 0 18px;
    height: 66px;
}

.nav-item.active {
    font-size: 20px;
    border-bottom: 2px solid #00bdff;
}


/* 登录注册 */

.login-register {
    position: absolute;
    right: 10px;
    height: 100%;
}

.login-register form {
    float: left;
}

.login-register .login {
    width: 52px;
    height: 22px;
    border: 1px solid #ccc;
    border-radius: 12px;
    color: #000;
    background-color: transparent;
    margin-right: 5px;
}

.login-register .register {
    width: 80px;
    height: 22px;
    background-color: #ed510a;
    color: #fff;
    border-radius: 11px;
    border: 1px solid #aaa;
}


/* 通用底部部分 */

footer {
    width: 1200px;
    height: 330px;
    margin: 0 auto;
    position: relative;
}

footer ul {
    margin-top: 40px;
    margin-left: 60px;
}

footer ul li {
    float: left;
}

footer ul li a {
    display: block;
    width: 100px;
    margin: 10px 15px;
    font-size: 12px;
    color: #aaa;
    line-height: 20px;
    text-align: left;
}

footer ul li a:nth-child(1) {
    margin-bottom: 40px;
    font-size: 16px;
    color: #000;
}

footer .weixin {
    position: relative;
}

footer .weixin span {
    position: absolute;
    right: 200px;
    top: 10px;
    font-size: 16px;
}

footer .weixin p {
    position: absolute;
    right: 200px;
    top: 40px;
    font-size: 12px;
    color: #aaa;
}

footer .weixin div {
    position: absolute;
    right: 200px;
    top: 90px;
}

footer .weixin div img {
    width: 100px;
    height: 100px;
}

.copy {
    position: absolute;
    left: 75px;
    bottom: 40px;
    color: #aaa;
}

.license {
    position: absolute;
    right: 200px;
    bottom: 40px;
    color: #aaa;
}